SpringMVC简单小例子，没有使用到数据库 -

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SpringMVC简单小例子，没有使用到数据库

博客分类：

SpringMvc

SpringMVC小例子，没有使用到数据库，使用到了Freemarker和AJAX

Controller层：

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.Map.Entry;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.collections.MapUtils;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

/**
 * 〈一句话功能简述〉<br>
 * 〈功能详细描述〉
 * 
 * @see [相关类/方法]（可选）
 * @since [产品/模块版本] （可选）
 */
@Controller(value = "blogManagerController")
@RequestMapping(value = "/blog")
public class BlogManagerController {

    /**
     * 
     * 进入博客管理主页面 <br>
     * 〈功能详细描述〉
     * 
     * @param request
     * @param reponse
     * @return
     * @see [相关类/方法](可选)
     * @since [产品/模块版本](可选)
     */
    @RequestMapping(value = "main.action")
    public String blogMain(HttpServletRequest request, HttpServletResponse reponse) {
        List<Map<String, Object>> blogList = getBlogList();
        request.setAttribute("blogList", blogList);
        return "blog/main";
    }

    /**
     * 
     * 删除博客 <br>
     * 〈功能详细描述〉
     * 
     * @param request
     * @param reponse
     * @return
     * @see [相关类/方法](可选)
     * @since [产品/模块版本](可选)
     */
    @RequestMapping(value = "deleteBlog.action")
    @ResponseBody
    public String deleteBlog(HttpServletRequest request, HttpServletResponse reponse) {
        Map<String, Object> params = getRequestMap(request);

        return MapUtils.getString(params, "id");
    }

    /**
     * 
     * 查询博客列表 <br>
     * 〈功能详细描述〉
     * 
     * @param request
     * @param reponse
     * @return
     * @see [相关类/方法](可选)
     * @since [产品/模块版本](可选)
     */
    @RequestMapping(value = "queryBlogList.action")
    @ResponseBody
    public List<Map<String, Object>> queryBlogList(HttpServletRequest request, HttpServletResponse reponse) {
        List<Map<String, Object>> blogList = queryBlogList();
        return blogList;
    }

    private List<Map<String, Object>> getBlogList() {
        List<Map<String, Object>> blogList = new ArrayList<Map<String, Object>>();
        Map<String, Object> blog = null;
        for (int i = 0; i < 10; i++) {
            blog = new HashMap<String, Object>();
            blog.put("id", i);
            blog.put("title", "从FTP下载文件到本地");
            blog.put("createTime", "3 小时前");
            blog.put("type", "Spring");
            blog.put("readNum", i);
            blog.put("replyNum", i);

            blogList.add(blog);
        }

        return blogList;
    }
    
    
    private List<Map<String, Object>> queryBlogList() {
        List<Map<String, Object>> blogList = new ArrayList<Map<String, Object>>();
        Map<String, Object> blog = null;
        for (int i = 0; i < 5; i++) {
            blog = new HashMap<String, Object>();
            blog.put("id", i);
            blog.put("title", "从FTP下载文件到本地");
            blog.put("createTime", "3 小时前");
            blog.put("type", "Spring");
            blog.put("readNum", i);
            blog.put("replyNum", i);

            blogList.add(blog);
        }

        return blogList;
    }

    /**
     * 
     * 根据request将请求参数转化为Map<br>
     * 〈功能详细描述〉
     * 
     * @param request
     * @return
     * @see [相关类/方法](可选)
     * @since [产品/模块版本](可选)
     */
    @SuppressWarnings({ "rawtypes", "unchecked" })
    private Map<String, Object> getRequestMap(HttpServletRequest request) {
        // 获取请求参数
        Map parameterMap = request.getParameterMap();
        Set<Map.Entry<String, String[]>> entrySet = parameterMap.entrySet();

        // 定义转化后的请求Map
        Map<String, Object> params = new HashMap<String, Object>();
        for (Entry<String, String[]> entry : entrySet) {
            // 如果请求的参数的值是数组
            if (entry.getValue().length > 1) {
                params.put(entry.getKey(), entry.getValue());
            } else {
                params.put(entry.getKey(), entry.getValue()[0]);
            }
        }

        return params;
    }
}

FTL：main.ftl

<!doctype html>
<html>
<head>
    <meta charset="utf-8"/>
    <title>博客管理</title>
    <#assign ctxPath=request.contextPath>
	<#setting number_format="#">
	<script language="javascript" src="${ctxPath}/staticfile/js/jquery.js"></script>
	<script>
		function deleteBlog(id){
			//通过AJAX的Post请求来删除一条博客
			var jsonData={"id":id};
			var url="${ctxPath}/blog/deleteBlog.action";
			$.post(url,jsonData,function(result){
				alert(result);
			});
		}
		
		//通过AJAX的Post请求查询博客列表
		function queryBlogList(){
			var url="${ctxPath}/blog/queryBlogList.action";
			$.post(url,function(result){
				var blogTbody=$("#blogTbody");
				//清空表格体
				blogTbody.empty();
				
				//表格标题
				var titleTr="<tr style='background-color:#F5F5F5'>"+
								"<th>标题</th>"+
								"<th>发表时间</th>"+
								"<th>分类</th>"+
								"<th>浏览</th>"+
								"<th>回复</th>"+
								"<th>管理</th>"+
							"</tr>";
				blogTbody.append(titleTr);
				
				//遍历博客列表
				$(result).each(function(i,blog){
					var blogTr="<tr>"+
									"<td>"+blog.title+"</td>"+
									"<td>"+blog.createTime+"</td>"+
									"<td>"+blog.type+"</td>"+
									"<td>"+blog.readNum+"</td>"+
									"<td>"+blog.replyNum+"</td>"+
									"<td>"+
										"<a href='javascript:void(0);' title='删除' onclick='deleteBlog("+blog.id+")>删除</a>"+
									"</td>"+
								"</tr>";
					blogTbody.append(blogTr);
				});
			});
		}
	</script>
	<style>
		td{
			text-align:center;
		}
	</style>
</head>

<body>
	<a href="javascript:void(0);" title="查询" onclick="queryBlogList()">查询</a>
	<table width="100%">
		<colgroup>
			<col width="50%">
			<col width="10%">
			<col width="10%">
			<col width="10%">
			<col width="10%">
			<col width="10%">
		</colgroup>
		<tbody id="blogTbody">
			<tr>
				<th>标题</th>
				<th>发表时间</th>
				<th>分类</th>
				<th>浏览</th>
				<th>回复</th>
				<th>管理</th>
			</tr>
			<#list blogList as blog>
				<tr style='text-algin:center;'>
					<td>${blog.title!''}</td>
					<td>${blog.createTime!''}</td>
					<td>${blog.type!''}</td>
					<td>${blog.readNum!''}</td>
					<td>${blog.replyNum!''}</td>
					<td>
						<a href="javascript:void(0);" title="删除" onclick="deleteBlog('${blog.id!''}')">删除</a>
					</td>
				</tr>
			</#list>
		</tbody>
	</table>
</body>
</html>

相关的配置文件：
web.xml文件：

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	version="2.4"
	xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
	<!-- spring 监听-->
	<listener>
		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
	</listener>
	
	<!-- spring 字符集过滤 -->
	<filter>
		<filter-name>CharacterEncoding</filter-name>
		<filter-class>org.springframework.web.filter.CharacterEncodingFilter
		</filter-class>
		<init-param>
			<param-name>encoding</param-name>
			<param-value>UTF-8</param-value>
		</init-param>
		<init-param>
			<param-name>forceEncoding</param-name>
			<param-value>true</param-value>
		</init-param>
	</filter>
	<filter-mapping>
		<filter-name>CharacterEncoding</filter-name>
		<url-pattern>*.action</url-pattern>
	</filter-mapping>
	
	<filter-mapping>
		<filter-name>CharacterEncoding</filter-name>
		<url-pattern>*.htm</url-pattern>
	</filter-mapping>
	
	
	<!-- spring mvc -->
	<servlet>
		<servlet-name>http</servlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServlet
		</servlet-class>
		<init-param>
			<param-name>contextConfigLocation</param-name>
			<param-value>classpath:conf/freemarker-servlet.xml</param-value>
		</init-param>
		<load-on-startup>1</load-on-startup>
	</servlet>
	<servlet-mapping>
		<servlet-name>http</servlet-name>
		<url-pattern>*.action</url-pattern>
	</servlet-mapping>
	
	<servlet-mapping>
		<servlet-name>http</servlet-name>
		<url-pattern>*.htm</url-pattern>
	</servlet-mapping>

	<session-config>
		<session-timeout>120</session-timeout>
	</session-config>

	<!-- welcome file -->
	<welcome-file-list>
		<welcome-file>homePage.htm</welcome-file>
	</welcome-file-list>

	<!-- error-page -->
	<error-page>
		<!-- 400错误 请求无效 --> 
		<error-code>400</error-code>
		<location>/400.htm</location>
	</error-page>
	<error-page>
		<!-- 404页面不存在 --> 
		<error-code>404</error-code>
		<location>/404.htm</location>
	</error-page>
	<error-page>
		<!-- 405无效链接 --> 
		<error-code>405</error-code>
		<location>/405.htm</location>
	</error-page>
	<error-page>
		<!-- 500 服务器内部错误 --> 
		<error-code>500</error-code>
		<location>/500.htm</location>
	</error-page>
	
</web-app>

applicationContext.xml配置文件：

<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
	xmlns:jee="http://www.springframework.org/schema/jee" xmlns:tx="http://www.springframework.org/schema/tx"
	xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd   
       http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd   
       http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd   
       http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
       http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-2.0.xsd"
	default-lazy-init="false">

	<!-- 资源文件 -->
	<context:property-placeholder location="classpath:/conf/setting-web.properties" />
	
	<!-- DB2 dataSource-->
	<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
		<property name="driverClassName" value="${jdbc.driver}" />
		<property name="url" value="${jdbc.url}" />
		<property name="username" value="${jdbc.username}" />
		<property name="password" value="${jdbc.password}" />
	</bean>
	
	<!-- 定义事务管理器 -->
	<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
		<property name="dataSource" ref="dataSource" />
	</bean>
	
	<tx:advice id="txAdvice" transaction-manager="transactionManager">
		<tx:attributes>
			<tx:method name="insert*" propagation="REQUIRED" read-only="false"
				rollback-for="java.lang.Exception" />
			<tx:method name="save*" propagation="REQUIRED" read-only="false"
				rollback-for="java.lang.Exception" />
			<tx:method name="update*" propagation="REQUIRED" read-only="false"
				rollback-for="java.lang.Exception" />
			<tx:method name="modify*" propagation="REQUIRED" read-only="false"
				rollback-for="java.lang.Exception" />
			<tx:method name="delete*" propagation="REQUIRED" read-only="false"
				rollback-for="java.lang.Exception" />
			<tx:method name="find*" propagation="SUPPORTS" />
			<tx:method name="get*" propagation="SUPPORTS" />
			<tx:method name="select*" propagation="SUPPORTS" />
		</tx:attributes>
	</tx:advice>

	<aop:config>
		<aop:pointcut id="bizMethods"
			expression="execution(* org.apache.ecity.*.service.*.*(..)) or execution(* org.apache.ecity.*.*.service.*.*(..))" />
		<aop:advisor advice-ref="txAdvice" pointcut-ref="bizMethods" />
	</aop:config>
	
	<!-- service 层Bean -->
	<import resource="classpath*:/conf/bean/*-bean.xml" />
	
	<context:annotation-config />
</beans>

freemarker-servlet.xml SpringMVC配置文件：

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
	xmlns:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop"
	xmlns:context="http://www.springframework.org/schema/context"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd   
       http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd   
       http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd   
       http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd">

	<!-- 引入资源文件 -->
	<context:property-placeholder location="classpath:/conf/setting-web.properties" />
	
	<!-- Spring 扫描使用注解的包路径 -->
	<context:component-scan
		base-package="org.apache.remote.httpclient" />

	<!-- 注解依赖的适配器 AnnotationMethodHandlerAdapter -->
	<bean
		class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
		<property name="messageConverters">
			<list>
				<ref bean="mappingJacksonHttpMessageConverter" />
			</list>
		</property>
	</bean>

	<!-- 注解依赖的适配器 DefaultAnnotationHandlerMapping -->
	<bean
		class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping">
	</bean>

	<!-- Spring @AutoWired 依赖自动注入,不需要setter方法 -->
	<bean
		class="org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor" />
	
	<!-- FreeMarker模板配置 -->
	<bean id="freemarkerConfig"
		class="org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer">
		<!-- FreeMarker模板路径前缀,Controller方法返回FTL文件路径是可以省略前缀,比如/WEB-INF/ftl/sys/province/main.ftl,只需要返回 sys/province/main-->
		<property name="templateLoaderPath" value="/WEB-INF/ftl/" />
		<property name="defaultEncoding" value="UTF-8" />
	</bean>
	
	<!-- FreeMarker视图解析器 -->
	<bean
		class="org.springframework.web.servlet.view.freemarker.FreeMarkerViewResolver">
		<property name="cache" value="true" />
		<property name="prefix" value="" />
		<property name="suffix" value=".ftl" />
		<property name="exposeSpringMacroHelpers" value="true" />
		<property name="exposeRequestAttributes" value="true" />
		<property name="exposeSessionAttributes" value="true" />
		<property name="requestContextAttribute" value="request" />
		<property name="contentType" value="text/html; charset=utf-8" />
	</bean>

	<!-- Spring JSON 格式转换依赖的Jar -->
	<bean id="mappingJacksonHttpMessageConverter"
		class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter" />

</beans>

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